Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/10/2024, 23:49

General

  • Target

    2748a6ddc425bf3abc087daadb3704f2_JaffaCakes118.exe

  • Size

    266KB

  • MD5

    2748a6ddc425bf3abc087daadb3704f2

  • SHA1

    17f117b4d73fc5a110fac8e34f39312fc5010b5a

  • SHA256

    4fcda09ac8e90aaf0daa6b200ddd0a69fdc3deaa82eae60016342f289e694035

  • SHA512

    3f748c25b3a593b2e98d21356e2faa6a7c9d25d3fea25f45fd5013fb8928c152f977181aef3952f9b739955eeb2368a859fcad351f13498ae22207ef40a4d525

  • SSDEEP

    6144:MH1JGf75+ZPPfnE2Qyn20U65ibYMYC/gMXG6lCHB75+ZPPfnE2Qyn20UQ:c10fF+ZPPfnEUnNwMhF+ZPPfnEUnT

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 13 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 64 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2748a6ddc425bf3abc087daadb3704f2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2748a6ddc425bf3abc087daadb3704f2_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4332
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32.exe /s "C:\Program Files (x86)\FineTop\FineTop.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:2664
    • C:\Program Files (x86)\FineTop\FineTop.exe
      "C:\Program Files (x86)\FineTop\FineTop.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4100
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32 /s "C:\Program Files (x86)\FineTop\FineTop.dll"
        3⤵
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:3176
    • C:\Windows\SysWOW64\explorer.exe
      C:\Windows\system32\explorer.exe
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:4012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\FineTop\FineTop.dll

    Filesize

    130KB

    MD5

    82a6904974f4f20c147fce776663b1b0

    SHA1

    eee8e0a93cb1be3dcfef2699f154f0881e68dda4

    SHA256

    407a5ed628dbd6f1c2cea2276b4ea98f053160dd6f5ee3007dcbad02382a1a77

    SHA512

    50dfb3c8e67e1ef794f3dd1b4caaa515bfe342e17e4bb73dd2b1e58a2ac61e327bed2395c1f36d8f2a69de8c5a73ce03eda03a9c0c5515b5965191edfb22c005

  • C:\Program Files (x86)\FineTop\FineTop.exe

    Filesize

    42KB

    MD5

    61c81941b91b1d502971bd42a29806a1

    SHA1

    72ee7b2fb665f01415a00267cbc1a5d385d1f0cf

    SHA256

    6e0d4e65b147d69b249c40c1f9cc5ea82ae3179777bd25462eef3449d3bbbdb8

    SHA512

    0583df8495ed3c252713bfa2b0b38b9a2aac8ce22ed5e50e42cf5a7d94e903e605614a5ab507a0b10497f434759c945eec7ae1f124f530fe3d488f4ec661de7f

  • C:\Program Files (x86)\FineTop\adc.acc

    Filesize

    28KB

    MD5

    72b966950a0f53df4ce2fdb19679c3c6

    SHA1

    ccfff4ecc68608a6231e75e175d2aeba62d37fa5

    SHA256

    aa3c21a88e93709f149284cc17a37439d3f7f90b785119fee5ef330902718b65

    SHA512

    84149a210748bc45f02d7f5e12b37e91eba44500d7222efaa46228b1330ffe0dfc1efbb612a67a562ddffc3048ba5d67426b739ac950e8da27f0ee9e86707e33

  • C:\Users\Admin\AppData\Local\Temp\nsnA7BA.tmp\IpConfig.dll

    Filesize

    114KB

    MD5

    a3ed6f7ea493b9644125d494fbf9a1e6

    SHA1

    ebeee67fb0b5b3302c69f47c5e7fca62e1a809d8

    SHA256

    ec0f85f8a9d6b77081ba0103f967ef6705b547bf27bcd866d77ac909d21a1e08

    SHA512

    7099e1bc78ba5727661aa49f75523126563a5ebccdff10cabf868ce5335821118384825f037fbf1408c416c0212aa702a5974bc54d1b63c9d0bcade140f9aae1

  • C:\Users\Admin\AppData\Local\Temp\nsnA7BA.tmp\NSISdl.dll

    Filesize

    14KB

    MD5

    a5f8399a743ab7f9c88c645c35b1ebb5

    SHA1

    168f3c158913b0367bf79fa413357fbe97018191

    SHA256

    dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

    SHA512

    824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

  • C:\Users\Admin\AppData\Local\Temp\nsnA7BA.tmp\SelfDel.dll

    Filesize

    4KB

    MD5

    7cff7fe2caea5184d98c147e7e263132

    SHA1

    21f39d3d0dd5f7198d67ef30e95d10ae3460093e

    SHA256

    281c39b733579e031c62bdd247b41543ece1fe3bd6eda26fc8ad474b10f33101

    SHA512

    fb1161b8571d1d0c67e2df0d571b08f5e7a73f81409aed847344154d02406910629181bcce4e18e998ec472f51a6a1b40d956a010abdd10e850413aafa87808a

  • C:\Users\Admin\AppData\Local\Temp\nsnA7BA.tmp\UAC.dll

    Filesize

    13KB

    MD5

    29858669d7da388d1e62b4fd5337af12

    SHA1

    756b94898429a9025a04ae227f060952f1149a5f

    SHA256

    c24c005daa7f5578c4372b38d1be6be5e27ef3ba2cdb9b67fee15cac406eba62

    SHA512

    6f4d538f2fe0681f357bab73f633943c539ddc1451efa1d1bb76d70bb47aa68a05849e36ae405cc4664598a8194227fa7053de6dbce7d6c52a20301293b3c85f

  • C:\Users\Admin\AppData\Local\Temp\nsnA7BA.tmp\fct.dll

    Filesize

    4KB

    MD5

    e3f3809f51c7982d96aaf9c090f7d176

    SHA1

    7494daa8000c0b31c58d94edc509232569a4606f

    SHA256

    010f5e0c69b4a630b08b2551e03d8044a33350f151848dcf50953407012fab29

    SHA512

    3fca284e384abc95201dc73f19bd9d75413e8890e819967070b9d9991115be2a8c17e07bd1aaaffcbc770b393bf9a2af253100ac4d9efba8d21110bac97737fc

  • C:\Users\Admin\AppData\Local\Temp\nsnA7BA.tmp\nsProcess.dll

    Filesize

    4KB

    MD5

    05450face243b3a7472407b999b03a72

    SHA1

    ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

    SHA256

    95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

    SHA512

    f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

  • memory/4332-41-0x0000000002F50000-0x0000000002F76000-memory.dmp

    Filesize

    152KB

  • memory/4332-0-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/4332-60-0x00000000747B0000-0x00000000747B9000-memory.dmp

    Filesize

    36KB

  • memory/4332-75-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB